drafting an xml spec for txml

ec.xml

<scene>
    <entity id="1">
        <!--name>
            <name>Bird</name>
            <description>A flying bird</description>
        </name-->
        <name name="Bird" description="A flying bird" />
        <!-- mesh>
            <meshref>bird.mesh</meshref>
            <materialref index=0>feathers.material</materialref>
            <materialref index=1>head.material</materialref>
        </mesh -->
        <mesh sync="1"
            meshref="bird.mesh"
            materialrefs="feathers.material; head.material"
        />            
        <rigidbody shape="box" size="2.5" />
        <script src="bird.js" />
    </entity>
    <entity id="2">
        <light 
            diffuse="100, 120, 120"
            ...
        />
    </entity>
</scene>